EP0416523A1 - Klimaanlage für ein Fahrzeug - Google Patents

Klimaanlage für ein Fahrzeug Download PDF

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Publication number
EP0416523A1
EP0416523A1 EP90116943A EP90116943A EP0416523A1 EP 0416523 A1 EP0416523 A1 EP 0416523A1 EP 90116943 A EP90116943 A EP 90116943A EP 90116943 A EP90116943 A EP 90116943A EP 0416523 A1 EP0416523 A1 EP 0416523A1
Authority
EP
European Patent Office
Prior art keywords
temperature
air
cabin
blowing
dial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90116943A
Other languages
English (en)
French (fr)
Other versions
EP0416523B1 (de
Inventor
Kato C/O Kabushiki K. Tokai-Rika-Denki Hiroyuki
Amano C/O Kabushiki K. Tokai-Rika-Denki Tokuhiro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tokai Rika Co Ltd
Original Assignee
Tokai Rika Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tokai Rika Co Ltd filed Critical Tokai Rika Co Ltd
Publication of EP0416523A1 publication Critical patent/EP0416523A1/de
Application granted granted Critical
Publication of EP0416523B1 publication Critical patent/EP0416523B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00835—Damper doors, e.g. position control
    • B60H1/00842—Damper doors, e.g. position control the system comprising a plurality of damper doors; Air distribution between several outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00985—Control systems or circuits characterised by display or indicating devices, e.g. voice simulators

Definitions

  • the present invention relates to an air conditioning device for a vehicle for adjusting the temperature of the air inside the vehicle cabin.
  • an automatic air conditioner that is, a device which automatically maintains a desired temperature through a controlling device for controlling a damper, an evaporator, a blower motor and so on separately by predetermining a temperature for inside a cabin has been used.
  • a controlling device for controlling a damper, an evaporator, a blower motor and so on separately by predetermining a temperature for inside a cabin.
  • the occupant must operate vents, a switch damper for inside/outside air and so on making operation troublesome.
  • an object of the present invention is to provide an air conditioning device for a vehicle which is extremely simple for an occupant to operate.
  • the present invention is characterized in that the device has a temperature dial which is moved from a low temperature indication to a high temperature indication by an operation of an occupant, a blowing means by means of which a blown wind volume is gradually changed from the largest area to the smallest area and furthermore gradually changed to the largest area depending upon the degree of moving the temperature dial, a changing means for a blowing direction by means of which the blowing direction is gradually changed form the upper half of the body of the occupant to the lower half of the body of the occupant depending upon the degree moving of the temperature dial and a switch means for drawing in inside and outside air by means of which the operation of the occupant can make a choice of the condition under which the air inside a cabin is led to said blowing means or air outside the cabin is led to the blowing means, when the air inside the cabin is selected, by means of which the air inside the cabin is led to the blowing means independently from the degree of moving the temperature dial and when the air outside the cabin is selected, which is changed from the condition under which the air inside the cabin is led to
  • the occupant when the occupant wants to cool the air inside the cabin quickly, for example in the summer the occupant moves the temperature dial to the lowest temperature indication position.
  • This enables the blowing means to lead the air inside the cabin into the cabin in the largest volume and circulates it, a first supplying means for supplying cool air at the largest volume and this cool air is blown toward the upper half of the body of the occupant. Therefore the occupant receives cool wind immediately and the temperature inside the cabin falls quickly.
  • the temperature inside the cabin cooled off the occupant moves the temperature dial from the low temperature indication to a slightly higher temperature indication and then a blowing volume is decreased so that the blowing means gradually changes the fanning volume to the smallest area.
  • the occupant moves the temperature dial to the highest temperature indication side and then said first supplying means is stopped and alternatively a heater is heated.
  • the air inside the cabin passes through this heater and by means of the blowing means the largest wind volume is blown toward the lower half of the body of the occupant.
  • This enables the occupant to receive warm air quickly and the temperature inside the cabin rises quickly.
  • the occupant moves the temperature dial to the low temperature indication area gradually and then the switching means draws in the air outside the cabin and the blowing volume by means of the blowing means gradually decreases. Also the changing means gradually increases the fanning volume toward the upper half of the body of said occupant.
  • the switching means is chosen under the condition that the air inside the cabin is led to the blowing means, it is always circulated independently from the degree of movement of temperature dial.
  • Fig. 1 is an overall schematic diagram of an air conditioning device to which the present invention is applied
  • Fig. 2 is a front view showing an operation panel to which the present invention is applied
  • Fig. 3 is a mode variation table of a vehicle provided with the air conditioning device in the present invention
  • Fig. 4 is a mode variation table of a vehicle provided with the air conditioning device showing dehumidification modes
  • Fig. 5 is a mode variation table of a vehicle provided with the air conditioning device showing defrost modes
  • Fig. 6 is a mode variation table of a vehicle not provided with an air conditioner
  • Fig. 7 is a dehumidification mode variation table of a vehicle not provided with an air conditioner
  • Fig. 8 is a defrost mode variation table of a vehicle not provided with an air conditioner.
  • a changeover damper 14 serving as an inside/outside air intake changeover means is arranged at one end of a duct 12 the changeover angle being controlled by a controlling means 18 via a driving means 16.
  • This changeover damper 14 communicates with an inside air intake vent 22 and an outside air intake vent 24 through a duct 12 according to its rotation angle. The volume of air supplied to the inside and outside of the cabin changes by that rotation angle. Even if this changeover damper 14 completely closes either the vent 22 or the vent 24, it is provided to lead to some extent inside air or outside air to the duct 12.
  • this changeover damper 14 On the downstream side of this changeover damper 14 is a blower 26 arranged such that its number of revolutions is controlled by a controlling means via driving means 16. Furthermore on the downstream side of the blower 26 an evaporator 28 is arranged to cool air generated by a compressor 32. Therefore, the inside air or outside air which is blown from the blower 26 is cooled by being passed through this evaporator 28 when the compressor 32 is operating by means of the driving means 16 which is controlled by the controlling means 18.
  • a cool air/warm air damper 34 and a heater 36 are arranged on the downstream side of the evaporator 28 .
  • the rotation of the damper 34 is controlled by the controlling means 18 via the driving means 16 in the same way as the changeover damper 14 and adjusts the volume of air which passes through the heater 36.
  • the heater 36 controls the temperature volume by means of the controlling means 18 via the driving means 16.
  • defrosting damper 35 On the downstream side of the heater 36 a defrosting damper 35 is arranged.
  • the defrosting vent 37 opens and closes through the rotation of the defrosting damper 35 allowing warm air to blow therethrough.
  • This defrosting vent 37 opening is arranged, in particular, at the lower portion of the front windshield. Furthermore the defrosting damper 35 is also controlled by the controlling means 18 via the driving means 16.
  • a second changeover damper 38 for changing two blower vents is arranged and provided to be controlled by the controlling means 18 via the driving means 16.
  • This second changeover damper 38 is provided to adjust the volume of air blown through blower vent 42 which is directed toward the upper half of the occupant's body, the face and so on, blower vent 44 is direct toward the feet of the occupant by changing the rotation angle. Therefore, the volume of cool air or warm air blown toward the upper half of the body and the lower half of the body of the occupant is changed by the rotation angle of the second changeover damper 38.
  • This second changeover damper 38 in the same way as the changeover damper 14, allows to some extent wind to blow toward the upper half of the body of the occupant even if the blower vent 42 is completely closed and to some extent toward the lower half of the body of the occupant even if the blower vent 44 is completely closed.
  • Fig. 2 an operation panel 46 which is mounted on a dashboard and so on in the cabin is shown.
  • a temperature dial 48 in the center portion of the operation panel 46 and its indicator 48A is provided to be rotatably directed to the low temperature indication area L or to the high temperature indication area H. The number of revolutions of this temperature dial 48 is transmitted to the controlling means 18.
  • This temperature dial 48 is a switch by means of which the operation of the blower 26 is started by being pushed inward. By pressing this temperature dial 48 again the operation of the blower 26 is stopped. After pressing this temperature dial 48 when a predetermined condition takes place, the compressor 32 is starts to operated.
  • this compressor 32 Furthermore the operation condition of this compressor 32 is indicated by the turning on an air conditioner indicator lamp 52 which is mounted on the lower right of the operation panel 46. Next to the air conditioner indicator lamp 52 an air conditioner switch 53 is arranged and connected with the controlling means 18 so that the operation of the compressor 32 is stopped by being pressed. By pressing the air conditioner switch 53 again the compressor 32 is restarted.
  • the inside/outside air switch 54 is mounted on the upper right portion of the operation panel 46 .
  • This switch 54 is connected to the controlling means 18 and comprises an inside air indicator lamp 56 indicative of the inside air selectivity condition and an outside air indicator lamp 58 indicative of the outside air intake condition.
  • the changeover damper 14 When the changeover damper 14 is provided to allow air inside the cabin only from the cabin air intake vent 22 through the duct 12 and the switch 54 is pressed the inside air indicator lamp 56 turns on and the changeover damper 14 is connected so as to close outside air intake vent 24 as represented by the phantom line state in Fig. 1. And when with this inside air indicator lamp 56 is in an "ON" state and the occupant presses the switch 54, the outside air indicator lamp 58 is turned on. Then by the rotation operation of the temperature dial 48 the rotation angle of the changeover damper 14 is changed so that the volume of air which is drawn through the vent 22 and the other vent 24 may be changed.
  • a defrosting switch 62 and a dehumidifying switch 66 are mounted and connected to the controlling means 18.
  • a defrosting indicator 64 and a dehumidifying indicator 68 are mounted respectively. By pressing these switches they are turned on and by pressing them again they are turned off.
  • air vent changeover dial 72 is mounted while on the left side there is an air volume regulating dial 74.
  • the air vent second changeover damper 38 opens the blower vent 44 wider to increase the volume of air blown toward the lower half of the body of the occupant.
  • the changeover damper 38 opens the blower vent 42 wider to increase the volume of air blown toward the upper half of the body of the occupant.
  • the changeover dial 72 is connected to and controlled by the controlling means 18.
  • the blower 26 rotates slowly and when rotated to the right, the blower 26 rotates rapidly.
  • the regulating dial 74 is connected to the controlling means 18 so that the volume of air blown may be changed.
  • Fig. 3 the rotating operation positions (A - G) of the temperature dial 48 are shown along the top horizontal row and depend on the temperature inside the cabin, the volume of air blown by the blower, the blowing direction of the blower vent 42 and the other blower vent 44, the operation state of the air conditioner and the changeover state of the inside and outside air.
  • the temperature dial 48 does not have to be stopped in stepped rotation positions. However, for convenience sake the rotation positions are explained in seven steps.
  • the blower 26 is rotated to the largest degree in order to lower the temperature inside the cabin and the changing damper 38 opens the blower vent 42 completely and closes the other blower vent 44 completely.
  • the compressor 32 is rotated at its fastest speed.
  • the changeover damper 14 closes the outside air intake vent 24 and draws in air inside the cabin form the inside air intake vent 22. Therefore, the air inside the cabin is suddenly blown by the fastest rotation speed of the blower 26, the temperature is quickly cooled by the compressor 32 being rotated at its fastest speed and is supplied form the one blower vent 42 to the upper half of the body.
  • the defrosting blower vent 37 is still closed.
  • the changeover damper 14 closes the air intake vent 22 allowing a state where the largest volume of outside air to be drawn in through air vent 24 (when it is chosen to draw in outside air). In this case too, a slight amount of air inside the cabin flows from said the air intake vent 22 into the duct 12 and circulates.
  • the heater 36 When the temperature dial 48 is rotated past position C to the high temperature side, the heater 36 is driven and the cool air/warm air damper 34 gradually increases the ventilating volume depending upon the rotation of the temperature dial 48 so that the temperature of the blown wind rises gradually.
  • the second changeover damper 38 transmits almost equally the volume of wind into the blower vent 42 and the other blower vent 44. Under this condition the operation of the compressor 32 is in a stopped state.
  • the compressor 32 is repeatedly rotated or stopped.
  • the length of time stopped is gradually lengthened depending upon the rotation of the temperature dial 48 toward the high temperature side.
  • the ventilation volume to the heater is also increased so that the temperature of the blown wind is changed from low temperature to high temperature.
  • position E whereat the temperature dial 48 is slightly rotated toward the high temperature indicating limit H side, the volume of electricity to the heater 36 is at its highest and the ventilation volume supplied to the heater 36 is at its largest.
  • position E is different from the position D in the point that the changeover damper 38 further opens the other blower vent 44 so that the largest volume of blown wind is blown into said the other blower opening 44.
  • the blower vent switch position changes as illustrated by the phantom lines in Fig. 3. That is, if the blower vent changeover dial 72 is rotated to the right as far as possible and the blower vent curve shows that the temperature dial 48 is between position A and position B, a state occurs in which a gradual change begins from air being blown in the direction of the face to the direction of the legs (the blower vent changing damper 14 begins to open blower vent 44). When the temperature dial 48 is between position C and D, the blown air is directed solely toward the legs (the second blower vent changing damper 38 completely opens blower vent 44 and closes blower vent 42). When the temperature dial 48 is rotated from the low temperature side to the high temperature side the changing period of the blower vents from the face direction to the legs direction occurs sooner than normal.
  • blower vent changeover dial 72 is rotated to the left as far as possible and the blower vent curve shows that the temperature dial 48 is between position D and position E, a state occurs in which a gradual change begins from air being blown in the direction of the face to the direction of the legs (the second blower vent changeover damper 38 begins to open the blower vent 44).
  • the temperature dial 48 is between positions F and G the blown air is directed solely toward the legs (the second blower vent changing damper 38 completely opens blower vent 44 and closes blower vent 42).
  • the temperature dial 48 is rotated from the low temperature side to the high temperature side the changing period of the blower vents from the face direction to the legs direction occurs later than normal.
  • the switch 54 when the switch 54 is pressed so that the inside air indicating lamp 56 is turned on, on all the ranges between the positions A and G by the changeover damper 14 the air from the air intake vent 22 is provided to supply and circulate at the largest volume so that the rotation angle of the changeover damper 14 is left under the condition in which the air intake vent 22 is fixed open at its widest position.
  • one of the temperatures between these positions can be adjusted by the occupant by moving the temperature dial 48 to a preferred angle and the changeover damper 14, the blower 26, the evaporator 28, the compressor 32, the heater 36 and the second changeover damper 38 are also changed automatically so that special operations are unnecessary.
  • Fig. 4 shows the mode variation table shown in Fig. 2 when the dehumidifying switch 66 is pressed.
  • the dehumidifying indicator 68 is turned on and the mode variation table is changed from a condition seen in Fig. 3 to a condition shown Fig. 4.
  • Fig. 4 is similar to Fig. 3 in the temperature, the blower, the switch of inside and outside air and the blower vents. However, in Fig. 4 the compressor is repeatedly rotated at the highest level and stopped and the defrosting damper 35 opens the defrosting blower exit 37 half-way so that the cabin is dehumidified by a part of the blown wind is always exhausted onto the windshield at all the positions of the temperature dial 48.
  • the defrosting indicator 64 is turned on and the mode variation table of Fig. 5 is provided instead of that of Fig. 3. Under this condition a more powerful defrosting is made than the dehumidifying mode in Fig. 4.
  • the blower 26 is rotated at the highest speed, the defrosting damper 35 opens the defrosting blowing exit 37 and closes the two blower vents 42, 44 by being rotated counter-clockwise as seen in Fig. 1 as far as possible. Accordingly, the largest volume is supplied to the windshield.
  • the compressor 32 is rotated at the highest speed and the switching damper 14 for drawing in outside air closes the air intake vent 22.
  • Fig. 6 a mode variation table of the vehicle without an air conditioner is shown. That is, the air conditioner indicating lamp 52 and the air conditioner switch 53 in Fig. 2 are omitted.
  • the changeover damper 14 moves in the direction from the closure of air intake vent 24 to the closure of air intake vent 22 so that the introduction of outside air is switched to inside air.
  • Fig. 7 and 8 the dehumidifying mode and the defrosting mode without the air conditioner are shown, respectively.
  • Fig. 7 the conditions are almost the same as those in Fig. 4.
  • Fig. 7 is different from Fig. 4 in the temperature of the blower vents being slowly raised at the positions A to E of the temperature dial 48.
  • Fig. 8 is different from Fig. 5 in that the heater is driven at the largest volume in all the area so as to blow the complete blown volume in the vicinity of the windshield.
  • the present invention comprises the above condition, it has an excellent effect in that the desired air conditioning state can be obtained simply.
EP90116943A 1989-09-05 1990-09-04 Klimaanlage für ein Fahrzeug Expired - Lifetime EP0416523B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP104302/89U 1989-09-05
JP1989104302U JPH0343013U (de) 1989-09-05 1989-09-05

Publications (2)

Publication Number Publication Date
EP0416523A1 true EP0416523A1 (de) 1991-03-13
EP0416523B1 EP0416523B1 (de) 1994-02-09

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EP90116943A Expired - Lifetime EP0416523B1 (de) 1989-09-05 1990-09-04 Klimaanlage für ein Fahrzeug

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US (1) US5120270A (de)
EP (1) EP0416523B1 (de)
JP (1) JPH0343013U (de)
DE (1) DE69006560T2 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690386A1 (fr) * 1992-04-28 1993-10-29 Valeo Thermique Habitacle Dispositif de ventilation de l'habitacle d'un véhicule automobile.
EP0580303A1 (de) * 1992-07-22 1994-01-26 Valeo Climate Control Corporation Verdampfereinheit
EP0677408A1 (de) * 1994-04-12 1995-10-18 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Steuerung und Regelung einer Klimaanlage bzw. -automatik für Kraftfahrzeuge
FR2759949A1 (fr) * 1997-02-26 1998-08-28 Valeo Climatisation Dispositif de chauffage-ventilation et/ou climatisation de l'habitacle d'un vehicule, a commandes simplifiees
FR2778149A1 (fr) * 1998-04-29 1999-11-05 Valeo Climatisation Dispositif de conditionnement d'air avec couplage sur une seule commande des reglages de temperature et de distribution avec priorite au desembuage/degivrage
EP1281542A1 (de) * 2001-08-02 2003-02-05 Behr France S.A.R.L. Klimaanlage
EP2149465A1 (de) * 2008-07-31 2010-02-03 C.R.F. Società Consortile per Azioni Motorfahrzeug-Armaturenbrett mit Hauptzentrale und Ausgabeöffnungen für die Belüftungsluft
FR2970206A1 (fr) * 2011-01-10 2012-07-13 Peugeot Citroen Automobiles Sa Dispositif de commande manuelle a organe de commande multimode, pour une installation de chauffage/ climatisation d'un vehicule electrique

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JP4299089B2 (ja) * 2003-09-24 2009-07-22 株式会社東海理化電機製作所 車両用空調装置の操作装置
US7793706B2 (en) * 2006-02-23 2010-09-14 Denso International America, Inc. HVAC dual zone temperature control with slave rear zone
JP5195324B2 (ja) * 2008-11-10 2013-05-08 三菱自動車工業株式会社 電気自動車の空気調和機
EP2347921A1 (de) * 2010-01-26 2011-07-27 Ford Global Technologies, LLC Manuelle Klimaanlage eines Kraftfahrzeugs
JP4545826B1 (ja) * 2010-03-02 2010-09-15 八木通商株式会社 金属調ネックレス
JP5563432B2 (ja) * 2010-11-19 2014-07-30 株式会社東海理化電機製作所 車両用空調装置

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2690386A1 (fr) * 1992-04-28 1993-10-29 Valeo Thermique Habitacle Dispositif de ventilation de l'habitacle d'un véhicule automobile.
EP0568444A1 (de) * 1992-04-28 1993-11-03 Valeo Climatisation Belüftungsvorrichtung für den Innenraum eines Kraftfahrzeuges
EP0580303A1 (de) * 1992-07-22 1994-01-26 Valeo Climate Control Corporation Verdampfereinheit
EP0677408A1 (de) * 1994-04-12 1995-10-18 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Steuerung und Regelung einer Klimaanlage bzw. -automatik für Kraftfahrzeuge
FR2759949A1 (fr) * 1997-02-26 1998-08-28 Valeo Climatisation Dispositif de chauffage-ventilation et/ou climatisation de l'habitacle d'un vehicule, a commandes simplifiees
FR2778149A1 (fr) * 1998-04-29 1999-11-05 Valeo Climatisation Dispositif de conditionnement d'air avec couplage sur une seule commande des reglages de temperature et de distribution avec priorite au desembuage/degivrage
EP1281542A1 (de) * 2001-08-02 2003-02-05 Behr France S.A.R.L. Klimaanlage
EP2149465A1 (de) * 2008-07-31 2010-02-03 C.R.F. Società Consortile per Azioni Motorfahrzeug-Armaturenbrett mit Hauptzentrale und Ausgabeöffnungen für die Belüftungsluft
US8292704B2 (en) 2008-07-31 2012-10-23 C.R.F. Societa Consortile Per Azioni Motor-vehicle dashboard with main central portion having no outflow apertures for the ventilation air
FR2970206A1 (fr) * 2011-01-10 2012-07-13 Peugeot Citroen Automobiles Sa Dispositif de commande manuelle a organe de commande multimode, pour une installation de chauffage/ climatisation d'un vehicule electrique

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JPH0343013U (de) 1991-04-23
DE69006560D1 (de) 1994-03-24
DE69006560T2 (de) 1994-05-26
US5120270A (en) 1992-06-09
EP0416523B1 (de) 1994-02-09

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